<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<link href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet">
	<link rel="stylesheet" type="text/css" href="css/exercise.css">
	<script src="http://apps.bdimg.com/libs/jquery/2.0.0/jquery.min.js"></script>
	<script src="http://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>
	<script src="js/checklogin.js"></script>
	<style>
        .bg_1{ 
			background-image: url(image/multi/multi_bg.jpg); 
			background-repeat: no-repeat;
			background-size: contain;			
			} 
	</style>
<body>
	<div class="container bg_1">
		<div class="row">
			<div class="col-md-12 text-center"  >
				<img src="image/head/multi_head.png"  class="img-responsive"/>
			</div>
		</div>
		<div style="height:80px"></div>

		<div class="row">
			<div class="col-md-4 col-md-offset-2" style="background-image: url(image/cube/1.png)">
				<div class="innerDiv" id="num1"></div>
			</div>
			<div class="col-md-4 " style="background-image: url(image/cube/2.png); margin-left:10px">
				<div class="innerDiv" id="num2"></div>
			</div>
		</div>

		<div class="row" style="margin-top:20px">
			<div class="col-md-4 col-md-offset-2" style="background-image: url(image/cube/3.png)">
				<div class="innerDiv" id="num3"></div>
			</div>
			<div class="col-md-4 " style="background-image: url(image/cube/4.png); margin-left:10px">
				<div class="innerDiv" id="num4"></div>
			</div>
		</div>


		<div class="row" style="margin-top:20px">
			<div class="col-md-4 col-md-offset-2" style="background-image: url(image/cube/5.png)">
				<div class="innerDiv" id="num5"></div>
			</div>
			<div class="col-md-4 " style="background-image: url(image/cube/6.png); margin-left:10px">
				<div class="innerDiv" id="num6"></div>
			</div>
		</div>

		<div class="row" style="margin-top:20px">
			<div class="col-md-4 col-md-offset-2" style="background-image: url(image/cube/7.png)">
				<div class="innerDiv" id="num7"></div>
			</div>
			<div class="col-md-4 " style="background-image: url(image/cube/8.png); margin-left:10px">
				<div class="innerDiv" id="num8"></div>
			</div>
		</div>

		<div class="row" style="margin-top:20px">
			<div class="col-md-4 col-md-offset-2" style="background-image: url(image/cube/9.png)">
				<div class="innerDiv" id="num9"></div>
			</div>
			<div class="col-md-4 " style="background-image: url(image/cube/10.png); margin-left:10px">
				<div class="innerDiv" id="num10"></div>
			</div>
		</div>
        

		<div class="row" style="margin-top:20px">
			<div class="col-md-4 col-md-offset-4 text-center" >
				<img src="image/cube/change.png" class="img-rounded"  id="imageBt" height="50"  style="margin-left:auto" />
			</div>
			
		</div>

        <div class="row" style="margin-top:20px">
			<div class="col-md-4 col-md-offset-4 text-center" >
		      <div>
				<span class="linkBt" id="toHome">返回主页&nbsp;</span><span class="linkBt" id="showA">&nbsp;查看答案</span>
			  </div>
			</div>
		</div>
		<div style="margin-top:300px"></div>
	</div>
	<script type="text/javascript" src="./js/exercise.js"></script>
	<script type="text/javascript">
		//加入题目
		getExercise(10,3);
		//换一组题目
		$("#imageBt").click(function(event) {
			getExercise(10,3);
		});
	</script>
</body>
</head>